`system-app-guide.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:8303^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:9bb^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.9.187^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.3^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ingrid.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aa5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ingrid.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ingrid.ns.cloudflare.com`
		A	108.162.192.165^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
		A	172.64.32.165^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
		A	173.245.58.165^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
NS	`james.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bb2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`james.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`james.ns.cloudflare.com`
		A	108.162.193.178^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
		A	172.64.33.178^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
		A	173.245.59.178^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.9.187, 172.67.131.3
		IPv6 hints	2606:4700:3035::ac43:8303, 2606:4700:3036::6815:9bb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=23, name=cloudflare-ech.com
SOA	`ingrid.ns.cloudflare.com`dns@cloudflare.com serial=2411187205

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785828147

⚠️ On DNS blocklist: tif

Same first word

system-app-guide.com

DNS History

6 records (6 active, 0 former)

●NSingrid.ns.cloudflare.com2026-07-28 → 2026-08-04 · 2 obs

● 2026-07-28 20:42:02
● 2026-08-04 07:24:42

●NSjames.ns.cloudflare.com2026-07-28 → 2026-08-04 · 2 obs

● 2026-07-28 20:42:02
● 2026-08-04 07:24:42

●A104.21.9.1872026-07-28 → 2026-08-04 · 2 obs

● 2026-07-28 20:42:02
● 2026-08-04 07:24:42

●A172.67.131.32026-07-28 → 2026-08-04 · 2 obs

● 2026-07-28 20:42:02
● 2026-08-04 07:24:42

●A2606:4700:3035::ac43:83032026-07-28 → 2026-08-04 · 2 obs

● 2026-07-28 20:42:02
● 2026-08-04 07:24:42

●A2606:4700:3036::6815:9bb2026-07-28 → 2026-08-04 · 2 obs

● 2026-07-28 20:42:02
● 2026-08-04 07:24:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
system-app-guide.com	james.ns.cloudflare.com, ingrid.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.165

NS records: james.ns.cloudflare.com, ingrid.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for system-app-guide.com (unsigned zone)

⏱️ Timing

Total: 93ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.131.3, 104.21.9.187`
AAAA	2	`2606:4700:3036::6815:9bb, 2606:4700:3035::ac43:8303`
NS	2	`ingrid.ns.cloudflare.com, james.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ingrid.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (james.ns.cloudflare.com, james.ns.cloudflare.com, james.ns.cloudflare.com...)

Analysis

IP Addresses

system-app-guide.com points to the four IP addresses 104.21.9.187, 172.67.131.3, 2606:4700:3035::ac43:8303 and 2606:4700:3036::6815:9bb.

Two other host names, along with shakaijinnstudy.com, collector.wannaknow.link and paratodosdasorte.com, also share IP numbers with system-app-guide.com.

Name Servers

system-app-guide.com is delegated to two name servers: ingrid.ns.cloudflare.com and james.ns.cloudflare.com.

system-app-guide.com shares its NS records with other domains, for example fd223.com, cofochair.com, fd0777.com and two others.

The name servers of system-app-guide.com overlap at least partially with those of other domains — among them 3976a7q.cc, bialelaki.pl, plantlocator.co.uk and two more.

These name servers commonly appear alongside the name servers vivienne.ns.cloudflare.com and noel.ns.cloudflare.com.

DNS names with 6 IP addresses:

ingrid.ns.cloudflare.com resolves to 108.162.192.165, 172.64.32.165, 173.245.58.165 and 3 other IP addresses.

james.ns.cloudflare.com resolves to 108.162.193.178, 172.64.33.178, 173.245.59.178 and 3 other IP addresses.

system-app-guide.com - robtex.com